257019210

素因数分解:

$2^1\times 3^3\times 5^1\times 7^2\times {\mathrm{19427}}^1$

素因数の和:19457

約数の個数: 96

約数和(自身を含む): 797325120

約数和(自身を除く): 540305910

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 49, 54, 63, 70, 90, 98, 105, 126, 135, 147, 189, 210, 245, 270, 294, 315, 378, 441, 490, 630, 735, 882, 945, 1323, 1470, 1890, 2205, 2646, 4410, 6615, 13230, 19427, 38854, 58281, 97135, 116562, 135989, 174843, 194270, 271978, 291405, 349686, 407967, 524529, 582810, 679945, 815934, 874215, 951923, 1049058, 1223901, 1359890, 1748430, 1903846, 2039835, 2447802, 2622645, 2855769, 3671703, 4079670, 4759615, 5245290, 5711538, 6119505, 7343406, 8567307, 9519230, 12239010, 14278845, 17134614, 18358515, 25701921, 28557690, 36717030, 42836535, 51403842, 85673070, 128509605, 257019210]

約数ペア:

[(1, 257019210), (2, 128509605), (3, 85673070), (5, 51403842), (6, 42836535), (7, 36717030), (9, 28557690), (10, 25701921), (14, 18358515), (15, 17134614), (18, 14278845), (21, 12239010), (27, 9519230), (30, 8567307), (35, 7343406), (42, 6119505), (45, 5711538), (49, 5245290), (54, 4759615), (63, 4079670), (70, 3671703), (90, 2855769), (98, 2622645), (105, 2447802), (126, 2039835), (135, 1903846), (147, 1748430), (189, 1359890), (210, 1223901), (245, 1049058), (270, 951923), (294, 874215), (315, 815934), (378, 679945), (441, 582810), (490, 524529), (630, 407967), (735, 349686), (882, 291405), (945, 271978), (1323, 194270), (1470, 174843), (1890, 135989), (2205, 116562), (2646, 97135), (4410, 58281), (6615, 38854), (13230, 19427)]